alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/WarHawk/Spyder Sending Windows System Information (POST) M2";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.user_agent;
content:"Base/1.0"; endswith;
http.header_names;
content:!"Referer";
http.request_body;
content:"hwid="; startswith;
pcre:"/^[A-Za-z0-9+/=]{48}/PR";
content:"username=";
content:"compname=";
content:"osname=";
content:"&arch=1&av=eyJ"; fast_pattern;
content:"agent=";
content:"profile=";
content:"mail=";
reference:url,twitter.com/jaydinbas/status/1653361390491430915;
reference:md5,87d94635372b874f18acb3af7c340357;
classtype:command-and-control;
sid:2045296; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_02, deployment Perimeter, malware_family WarHawk, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_12, reviewed_at 2025_07_14;
target:src_ip;
)